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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Database Deployment | 16% | - Database planning and design considerations - Migration and integration strategies - Implementation, testing, and deployment phases |
| Topic 2: Database Management and Maintenance | 25% | - Data lifecycle management - Performance monitoring and reporting - Routine maintenance processes and tasks - Documentation and configuration management |
| Topic 3: Data and Database Security | 23% | - Infrastructure security and threat mitigation - Authentication, authorization, and access control - Governance, risk, and compliance - Attack types and defense measures - Data security concepts and techniques |
| Topic 4: Database Fundamentals | 24% | - Scripting methods and environments - SQL development, modification, and execution - Impact of programming on database operations - Database structure types and characteristics |
| Topic 5: Business Continuity | 12% | - RTO and RPO definitions and application - High availability and fault tolerance - Disaster recovery planning and strategies - Backup and restoration methods |
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NEW QUESTION # 10
Which of the following is part of logical database infrastructure security?
Answer: D
Explanation:
The option that is part of logical database infrastructure security is perimeter network. Perimeter network, also known as DMZ (Demilitarized Zone), is a network segment that lies between an internal network and an external network, such as the internet. Perimeter network provides an additional layer of security for the internal network by isolating and protecting the servers or services that are exposed to the external network, such as web servers, email servers, database servers, etc. Perimeter network also helps prevent unauthorized access or attacks from the external network to the internal network by using firewalls, routers, proxies, etc. The other options are either part of physical database infrastructure security or not related to database infrastructure security at all. For example, surveillance is a method of monitoring and recording physical activities or events in a location or resource; biometric access is a device that uses biological characteristics to control access to a physical location or resource; cooling system is a device or system that regulates the temperature and humidity of a location or resource.
NEW QUESTION # 11
Which of the following is used to store product quantities on a table while ensuring the minimal amount of storage is consumed?
Answer: B
Explanation:
INTEGER data types efficiently store whole numbers like product quantities using minimal storage compared to floating-point types.
NEW QUESTION # 12
(A database administrator wants to create a database that does not have a predefined schema. Which of the following tools should the administrator use to create this type of database? Select two.)
Answer: A,B
Explanation:
The correct answers are E. MongoDB and F. Cosmos. CompTIA DataSys+ clearly differentiates between relational databases, which require predefined schemas, and non-relational (NoSQL) databases, which support flexible or schema-less data models. A schema-less database allows data to be stored without enforcing a fixed table structure, making it ideal for rapidly changing data requirements, unstructured data, or applications with evolving schemas.
MongoDB is a document-oriented NoSQL database that stores data in flexible, JSON-like documents. Each document in a MongoDB collection can have a different structure, allowing developers to add or remove fields without modifying a predefined schema. DataSys+ highlights document stores like MongoDB as well- suited for modern applications that require agility, scalability, and the ability to handle semi-structured or unstructured data.
Cosmos (commonly referring to Azure Cosmos DB) is a globally distributed NoSQL database service that supports multiple data models, including core (SQL) API, MongoDB API, and other non-relational models. It is designed for high availability, horizontal scalability, and schema flexibility. DataSys+ includes cloud-based NoSQL platforms such as Cosmos as examples of databases that do not enforce rigid schemas.
Options A, B, C, and D-PostgreSQL, MariaDB, MySQL, and SQL Server-are all relational database management systems (RDBMS). These systems require predefined schemas with fixed table definitions, column data types, and constraints before data can be stored. While some relational systems support limited JSON storage, they are still fundamentally schema-based and do not meet the requirement described in the question.
CompTIA DataSys+ emphasizes selecting database technologies based on data structure and application needs. When schema flexibility is required, NoSQL solutions are preferred. Therefore, the tools best suited for creating a database without a predefined schema are MongoDB and Cosmos, making options E and F the correct and fully verified answers.
NEW QUESTION # 13
A database administrator needs to ensure that a newly installed corporate business intelligence application can access the company's transactional data. Which of the following tasks should the administrator perform first?
Answer: D
Explanation:
The first task that the administrator should perform is to create a new service account exclusively for the business intelligence application. This will ensure that the application has the appropriate permissions and credentials to access the company's transactional data. The other options are either unnecessary, inefficient, or insecure. For example, building a separate data warehouse would require additional resources and time, setting up a nightly FTP data transfer would expose the data to potential breaches, sending the TNS names file would not guarantee that the application can connect to the database, and opening a new port on the database server would create a vulnerability for attackers. References: CompTIA DataSys+ Course Outline, Domain
2.0 Database Deployment, Objective 2.1 Given a scenario, install and configure database software and tools.
NEW QUESTION # 14
During a routine audit, a database administrator discovers that the department manager's birthday is next week. The database administrator decides to plan a birthday party for the manager. Which of the following guidelines would the administrator violate by planning the party?
Answer: B
NEW QUESTION # 15
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